<template>
  <el-menu
    default-active="2"
    class="el-menu-demo"
    background-color="#545c64"
    text-color="#fff"
    active-text-color="#ffd04b"
    @open="handleOpen"
    @close="handleClose"
  >
    <el-submenu index="1">
      <template slot="title">
        <i class="el-icon-location" />
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template slot="title">分组一</template>
        <el-menu-item index="1-1">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</el-menu-item>
      </el-menu-item-group>
      <el-submenu index="1-4">
        <template slot="title">选项4</template>
        <el-menu-item index="1-4-1">选项1</el-menu-item>
      </el-submenu>
    </el-submenu>
    <el-menu-item index="2">
      <i class="el-icon-menu" />
      <span slot="title">导航二</span>
    </el-menu-item>
    <el-menu-item index="3" disabled>
      <i class="el-icon-document" />
      <span slot="title">导航三</span>
    </el-menu-item>
    <el-menu-item index="4">
      <i class="el-icon-setting" />
      <span slot="title">导航四</span>
    </el-menu-item>
  </el-menu>
</template>

<script>
export default {
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath)
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath)
    }
  }
}
</script>

<style scoped>
.el-menu-demo {
    width: 240px;
    min-height: 400px;
    display: inline-block;
    text-align: left;
}
</style>
